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The system administrator at a small but high-profile company realizes that they need to secure the company's email. Which email protocols does the system administrator secure with Secure Sockets Layer/Transport Layer Security (SSL/TLS) that also use Transmission Control Protocol (TCP) ports 993 and 995, once secured?

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  1. 29 August, 00:35
    IMAP and POP


    The internet message access protocol (IMAP) is an internet protocol used for email retrieval through the port number 993 over the TCP protocol, from the mailing server. It server listens on port number 143 and the protocol allows for emails to be store permanently by the choice of the user.

    The POP or post office protocol is sometimes used with the IMAP in the email system configuration. It is used to send email to a mail box through TCP port number 995. It's server listen to the request channel at port 110. It allows for a copy of the email to be downloaded by the client, with the original still in the server.
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